Home / 75,480.13-104,136.02-45,275.23

Finding the Fourth Proportional to 75,480.13, 104,136.02 and 45,275.23

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Solution

The fourth proportional to 75,480.13, 104,136.02 and 45,275.23 is: 62,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.13 : 104,136.02 = 45,275.23 : x
  2. Step 2: Convert to fraction form
    75,480.13/104,136.02 = 45,275.23/x
  3. Step 3: Cross multiply
    75,480.13x = 104,136.02 × 45,275.23
  4. Step 4: Simplify right side
    75,480.13x = 4,714,782,256.78
  5. Step 5: Solve for x
    x = 4,714,782,256.78/75,480.13
  6. Step 6: Final answer
    x = 62,463.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.